baber/WOPTO huggingface dataset:
Patent GB-700972-A (GB)
Title: Improvements in or relating to indicating devices of the type including a rotatable pointer, dial or other rotatable indicating element
IPC: G01D5/04
Filed: 1949-05-05
Abstract: 700,972. Indicating-apparatus; pressure gauges. HARDWICK, H. B., and BOOTH, C. H. May 2, 1950 [May 5, 1949], No. 12002/49. Classes 106 (2) and 106 (4) [Also in Groups, XX and XXXVI] In a device including a rotatable indicating element, e.g. a pointer or dial, actuated by a spindle which has a helical surface engaged by one end of a blade having its width substantially parallel to the helical surface at the position of engagement, which blade end is movable transversely to the spindle axis in response to changes in a characteristic to be indicated, e.g. pressure or temperature, the helical surface, which is provided by one side of a helical groove or rib, is steep (not more than 45 degrees to the spindle axis) and the blade end moves substantially perpendicularly to the surface. In the pressure gauge shown, a Bourdon tube 25, as described in Specification 672,252, carries at its free end a stop screw 26 which is adjustable for varying the zero setting and transmission ratio and abuts a flat spring blade 12 between the portion secured to the frame 6 and the free end engaging a helical groove 10 on the spindle 1 carrying a counterbalanced indicating pointer 7. The spindle has pointed end pivots engaging spring pads in jewel bearings 4, 5, and the groove is also engaged by an anti-backlash blade 20 carried by blade 12. In a modification, the blades 12, 20 grip a helical rib. Fig. 8 shows a spindle having jewel bearings 41 rotating on a tensioned wire 42. The blade may, itself, comprise a pressure-responsive flat tube engaging a helical groove in the spindle. The measurement of characteristics other than pressure, such as mechanical force, temperature (see Group XX), and electric current or voltage (see Group XXXVI), also is described. Specifications 557,617 and 701,025 also are referred to.
Patent GB-880319-A (GB)
Title: Improvements in or relating to sodium vapour electric discharge lamps
Inventor: NELSON EVAN HERBERT
IPC: H01J9/395
Filed: 1957-04-12
Abstract: 880,319. Discharge lamps. GENERAL ELECTRIC CO. Ltd. April 14, 1958 [April 12, 1957], No. 12093/57. Drawings to Specification. Class 39 (1) A method of introducing sodium into the discharge space of an elongated tubular sodium vapour-rare gas discharge lamp in which the envelope is formed of sodium-containing glass consists in applying a steady or pulsating unidirectional voltage between at least one of the electrodes and a conducting solid coating integral with the external surface of the envelope whilst a discharge is passing between the electrodes and whilst the envelope in the region of the coating is heated, the unidirectional voltage being in such direction and of such value that an electric current is caused to flow through the glass of the envelope and liberate from it sodium which passes into the discharge space. The rare gas part of the filling can be neon and argon and the sodium-containing glass envelope can be coated internally with a flashing of sodium resistant glass also containing sodium. The discharge current can be provided by an A.C. supply and the unidirectional voltage obtained by rectification of an alternating voltage derived from the A.C. supply. The temperature to which the envelope is heated in the region of the coating can exceed 260‹ C., e.g. 300‹ C., and the heating can be produced by external means or substantially wholly by the heating effect of the discharge between the electrodes. The method can be used for maintaining substantially constant the amount of sodium in the discharge space inthe case of a lamp already having a sodium filling, for reviving a sodium filled lamp the envelope of which has become discoloured due to the absorption of sodium, or for the introduction of the whole of the sodium filling into the envelope during the manufacture of the lamp. The conducting coating can extend over substantially the whole of the external surface of the envelope and can be of a thin film of copper or gold which is substantially transparent to the 5890A and 5896Š radiation emitted by the discharge, can consist of a thin conducting stripe consisting of a mixture of silver powder and lead borate, or can comprise a sodium-containing material, e.g. a mixture of silver powder and sodium silicate, which is capable of releasing some of its sodium content to replace the sodium constituent of the glass envelope which is released into the discharge space. Two conducting stripes can be provided on the envelope and unidirectional voltages applied between each of them and the adjacent electrode. The envelope can be U-shaped and mounted or arranged for mounting within a double-walled Dewar jacket, or can be sealed within an evacuated single-walled jacket.
Patent GB-215568-A (GB)
Title: Improvements in and relating to milk pasteurising apparatus and valve mechanism therefor
IPC: A23C3/03
Filed: 1923-05-05
Abstract: 215,568. Prestage, E. May 5, 1923. Sterilizing milk.-In apparatus for pasteurizing milk by the " holding" process comprising a number of vessels which are automatically filled and emptied in succession, each vessel is provided with separate inlet and outlet valves, and the inlet valve of each vessel is so connected to the outlet valve of the next that they open and shut simultaneously. In the form shown the inlet valves A<1> - - A<4> and outlet valves B<1> - - B<4> of the vessels 1 - - 4 are formed as plug cocks on the spindles of which are arms 10 interconnected in the manner described by links 11. Each pair of valves is connected by an adjustable rod 12 to one of a set of levers 13 operated by cams c<1> - - c<4> so as to open and close the valves in the required order, the cams being so shaped as to open the valves slowly and shut them quickly.
Patent GB-1519433-A (GB)
Title: Detergent composition
IPC: C11D1/72
Filed: 1977-03-23
Abstract: 1519433 Non-ionic detergent composition RHONE-POULENC INDUSTRIES 23 March 1977 [24 March 1976] 12240/77 Heading C5D A non-ionic detergent composition suitable for laundry and degreasing comprises a mixture of (A) a compound of formula R-(OCH 2 CH 2 / n  OH, wherein R is C 6 -C 9  alkyl and n is greater than 6 but not greater than 15, and (B) a compound of formula R' (OCH 2 CH 2 ) m OH, wherein R' is C 16 -C 20  alkyl and m is 6 to 15, the R and R' groups being mainly linear, the mixture being solid.
Patent GB-550441-A (GB)
Title: Improvements relating to the production of metallic resinates
IPC: C09F9/00
Filed: 1941-09-22
Abstract: 550,441. Metallic resinates. HERCULES POWDER CO. Sept. 22,1941, No. 12259. Convention date, March 27, 1941. [Classes 1 (iii) and 95] [Also in Group IV] A water-insoluble metallic resinate, e.g. of calcium, barium, strontium, zinc, lead, cobalt, manganese, copper, aluminium, nickel or iron is produced by reacting polymerized rosin, or a water-soluble salt of polymerized rosin with a metallic compound capable of forming an insoluble salt of the polymerized rosin. For example, a metal acetate may be slowly added to a fused polymerized rosin raised to a high temperature, or an alkali may be neutralized with rosin to form an aqueous solution and zinc acetate added to form a precipitate of the resinates. Also polymerized rosin may be dissolved in an organic solvent and a metal salt or oxide added in the solid form, or in a solution or a slurry. The polymerized rosin may be such that its melting point lies between 90‹ and 175‹C. The substances produced may be used as driers in paints, varnishes and printing inks. They may also be used in combination with such cellulose derivatives as ethyl cellulose and resins in paints, varnishes &c.
Patent GB-103271-A (GB)
Title: Improvements in Supports for Velocipedes.
Inventor: NISBET GEORGE ALFRED
IPC: B62H1/12
Filed: 1916-08-30
Abstract: 103,271. Nisbet, G. A. Aug. 30, 1916. Safety wheels for velocipedes, of the kind described in Specification 17125/97, wherein two small wheels h' arranged on the two sides of the machine are carried by a frame g, the stem d of which is adapted to telescope within a guide c, are provided with steadying-stays k extending from the supporting-wheel spindles h to the rear axle of the machine. The guide-pin d<1> attached to the stem d works in slots c<1> in the upper and lower sides of the guide c. Control mechanism. - For adjusting the position of the supporting-wheels, the control device shown in Figs. 2 and 3 may be employed. It comprises a lever m mounted between two spaced disks n and connected to the transmission cable l. The lever is capable of lateral displacement on its pivot m<1> against the action of a spring m<2>, and it is held against a stop n' by a spring n<3>. For lowering the wheels, the lever is moved round until it passes over a wedge n<4> and occupies a. position between the wedge and a stop n<2>.
Patent GB-822469-A (GB)
Title: Thread and nut actuation of marine controllable pitch propeller
IPC: B63H3/02
Filed: 1957-04-15
Abstract: 822,469. Variable pitch propellers. HINDMARCH, T. April 15, 1958 [April 15, 1957], No. 12267/57. Class 114. A marine variable pitch propeller having blades 13 mounted upon a hollow hub 10 for rotation for varying the pitch thereof, has an operating mechanism for the blades comprising a screw threaded rod 23, Fig. 1, adapted to be rotated by an operating rod 24 concentric with the propeller shaft 25, a collar 26 and double thrust bearing 27 to prevent longitudinal movement of the threaded rod 23, a screw threaded nut 18 upon said rod 23, guide means preventing rotation of the nut relative to the hub, and connecting means between the nut and the roots of the blades for rotating the latter with rotation of the screwed rod. In Fig. 1 journals 12 attached to the blade roots carry offset crank pins 15 which work in crosshead pieces 16 sliding in slots 17 formed in the nut member 18, the latter sliding in a bearing 20 in the hub nut prevented from rotation relative thereto by a key and keyway 21. In another embodiment the crosshead arrangement may be replaced by a link device. Both embodiments may be double acting, i.e. the screwed rod may be provided with two separated threads of opposite bands with a nut upon each connected to the blade roots. E.g. Fig. 7 shows cranks 38 on the roots of the blades 13 connected by links 39 to nut members 70, 71 on right and left hand thread portions 66, 67 of the rod 65. The nut members are prevented from rotating by guide rods 43. Lubricating oil is circulated via a channel along the centre of the operating rod and the space between the operating rod and the propeller shaft.
Patent GB-768539-A (GB)
Title: Improvements in and relating to radio frequency circuit arrangements
Inventor: BRAMHAM PETER
IPC: H05H7/02
Filed: 1955-04-28
Abstract: 768,539. Radio-frequency coupling arrangements. MULLARD RADIO VALVE CO., Ltd. April 28, 1955, No. 12289/55. Class 40(7) The invention relates to a circuit arrangement whereby a pulsed magnetic oscillator feeding a resonant load consisting of the radio frequency system of a standing- wave type electron accelerator can be partially protected from the energy fed back from the load during build up of the power. According to the invention the coupling circuit comprises a hybrid bridge having in sequence an oscillator input arm, a matched load arm, a feed-back arm, and an output arm, together with means attached to the output arm for dividing the output power between the load and the feed-back arm so that during build-up the power reaching the oscillator is less than 3/4 of the energy reflected from the load and under steady conditions there is substantially no loss of power. The dividing means may consist of a junction having two output arms such as a wave-guide tee or may comprise a coupling window in the side of a waveguide connected to the bridge output from which energy is conducted back to the feed-back arm. In the embodiment shown in Fig. 2 the dividing means consists of a second hybrid bridge 11 having an output 15, matched load arm 14, and feed-back arm 13 as well as an input arm 12 directly coupled to the output arm of the first hybrid bridge 1. A phase shifter 9 is inserted 'between the arm 15 and the load 8 and a further phase shifter 10 is inserted in the coupling between arm 13 and the feed-back arm 4 of the bridge 1. Phase shifter 10 is adjusted so that the signals feed to bridge 1 from the oscillator 6 and the feed-back input 4 add at arm 5 and cancel at arm 3 under steady state operation. There is thus little power loss in load 3 under such conditions. Phase shifter 9 is adjusted to reduce the amount of power reflected from the load which reaches the oscillator 6. This should be at most 3/4 of the reflected power and may be as low as 1/9 with the arrangement of the embodiment. The power dividing ratios of the two bridges should be equal for best results. Phase shifters 9 and 10 need not be separate physical entities as adjustment can be made by appropriate variation of the length of feeder.
Patent GB-543063-A (GB)
Title: Improvements in or relating to the production of artificial filaments, films and the like
IPC: D01F6/60
Filed: 1940-08-05
Abstract: 543,063. Artificial filaments, films &c. DREYFUS, H. Aug. 5, 1940, No. 12590. [Class 2 (ii)] Filaments, films and like materials are obtained by extruding into a current of heated evaporative medium a solution of a filament- or film-forming synthetic polymer or mixture of polymers in an organic solvent liquid, the solution being of such concentration that it is liquid at ordinary or moderate temperatures, e.g., not exceeding 100‹ C., and completing the setting of the extruded materials by passing them through a cooling medium. The filament-forming material may be a linear condensation polymer obtained from a diamine and a dicarboxylic acid or from an aminocarboxylic acid. As solvent there may be used phenol, cresol, xylenol, formic acid, or acetic acid. The temperature of the evaporative medium may be above the boiling point of the solvent employed. The cooling medium may be a gas or liquid. The solution may contain a diluent, e.g., benzene, toluene, or xylene. As shown in Fig. 1, an elongated spinning chamber 1 is provided with heating pipes 2, suction being applied through outlet 3 to draw a current of gas upwardly through the chamber. A solution of the polymer is fed to measuring-pump 5 by the pressure of nitrogen or other inert gas supplied through pipe 6. The polymer passes through two filters and is extruded through jet 9. The filaments pass through the heated chamber 1 and are cooled in a further chamber 11. The solution container 4 and the space 14 containing the pump'and filters are heated by steam pipes 16. The jet 9 may be set well back from the chamber 1 so that the jet face keeps close to the same temperature as the space 14. The evaporative gas may be air. If desired, the pressure on the solution may be set up by operation of a ram. The evaporative gas may be passed in the same or the opposite direction to that of the filaments. The current of cold gas in chamber 11 may be passed in co- or countercurrent to the filaments or it may sweep across their path. The extruded filaments after setting in chamber 1 may be passed through a bath containing water, caustic soda solution, benzene, toluene, xylene, or petroleum ether. The spinning solutions may contain pigments, dyes, effect materials, softening agents, cellulose esters or ethers or other thermo-plastic substances.
Patent GB-368579-A (GB)
Title: Improvements in or relating to self propelled toys
IPC: A63H3/36
Filed: 1931-04-30
Abstract: 368,579. Mechanical toys. SAVAGE, E. S., 215, Dartmouth Street, Rochester, New York, U.S.A. April 30, 1931, No. 12745. Convention date, April 30, 1930. [Class 132 (iii).] A walking toy comprises two legs 7, Fig. 2, pivoted to a body 1 and terminating in feet 9, the soles of which are formed as curved rolling surfaces inclined upwardly and outwardly from a median plane through the body, a motor in the body swinging the legs positively in opposite directions relatively to the body while the toy is rolling on each surface. The motor comprises a spring 14 connected through gearing, crank shaft 18 and links 20 to the legs. The speed of rotation of the crank shaft is governed by an escapement wheel 22, Fig. 12, co-operating with pallets 18b on an oscillator shaft 23 provided with transverse arms along which weights 25 are adjustable. By adjustment of the balance weights 25, the toy may be caused to walk or dance, reversing occurring in certain conditions. The stability of the toy is improved by embedding weights 10 in the feet, or by the provision of a support extending rearwardly of the toy and terminating in a roller bearing on the supporting surface. The invention may be applied to a four-legged animal, the legs on each side of the body moving in unison.
Patent GB-271098-A (GB)
Title: Electrodes for high ohmic resistances and the like
IPC: H01C1/148
Filed: 1927-05-12
Abstract: 271,098. Loewe-Radio Ges. May 12, 1926, [Convention date]. Direct connections between conductors.- In electric resistances consisting of a thin layer of conducting substance on the surface of a glass or like insulating rod to ends of which wire leads are attached a portion of the wire lead is embedded in the material of the rod. The wire 2 is bent as shown and enters the end of the rod 1, the portion 4 being fused into the rod. The end of the wire emerges from the side of the rod and is wrapped round it to make contact with the conducting coating.
Patent GB-681227-A (GB)
Title: Improvements in or relating to devices for facilitating the filling of hot water bottles and other liquid containers
IPC: B67C11/02
Filed: 1950-05-23
Abstract: 681,227. Filling hot water bottles &c. COLE W. A. R., ASHFORD, F. C., and SCOTT, D. May 23, 1951 [May 23, 1950], No. 12913/50. Class 21 A device for facilitating the filling of hot water bottles and other liquid containers comprises a tube 10 adapted to be inserted in the filling opening of a hot water bottle &c. 20, the tube being formed with a flange 11 to deflect falling liquid away from its open lower end. A moulding 15 of rubber &c. has a hole through which the aluminium tube 10 passes as a tight fit, and is formed with a thick portion 16 and a thin tab 17. A notch 18 in the portion 16 engages the edge 21 of the filling orifice. The tube 10 provides a passage for air or steam to escape from the bottle. The tab 17 serves as a handle and has a hole 19 for suspending from a hook when not in use. The moulding may be replaced by a metal fitting including a sleeve fitting on the shorter straight portion of the tube, a notched rung or lug to engage the rim of the filling orifice, and an apertured tab. Alternatively the locating means for the tube may be provided by wings radiating from a sleeve fitting on the longer straight portion. The whole device may be formed as a one-piece moulding in rubber &c.
Patent GB-890442-A (GB)
Title: Improvements relating to pressure vessels
Inventor: SUMMERFIELD VICTOR LEONARD
IPC: G21C13/02
Filed: 1959-04-16
Abstract: 890,442. Reactor pressure vessels. BABCOCK & WILCOX Ltd. April 11, 1960 [April 16, 1959], No. 12924/59. Class 39(4) The pressure vessel 1, of a gas cooled heterogeneous nuclear reactor, the stand pipes 11 are welded to nozzles 5 fixed into holes 24. In order to facilitate welding, alternate nozzles 5 project on the same side of 1 to give a larger spacing between adjacent nozzles on the same side.
Patent GB-106264-A (GB)
Title: Improvements in the Method of and Apparatus for Forming and Enlarging Bore Holes.
Inventor: HUGHES HOWARD ROBARD
IPC: E21B10/66
Filed: 1916-09-15
Abstract: 106,264. Hughes, H. R. May 11, 1916, [Convention date]. Bore-hole apparatus.-In drilling artesian wells or bore-holes for use in military mining operations, &c., a pilot bore is drilled, the pilot drill is then released and finally, without raising the drill rods, the pilot bore is enlarged above the pilot bit. The pilot bit A, Fig. 13, is connected to the drill rods by a conical or cylindrical threaded joint, the members of which have projections 14<1>, 15<1> which engage to ensure the joint being loose. The drill rods D are provided with a centering and supporting sleeve E with spiral grooves 30 for the flushing water and ratchet ends 10, 10<1> to agitate said water. The enlarging mechanism comprises two cutters 7 pivoted on a pin 24 carried by a sleeve F provided with a packed piston head 11 and with an internal, movable piston 18 loosely connected by a rod 26 to a lifting-cable 28; the two pistons are pressed apart by a spring 30<1> and the lower piston 18 carries a pivot 20 for links 21 which are connected to the inner ends of the cutters 7. The enlarging mechanism is .lowered in the drill rods by gravity, by the pressure of flushing water for which suitable passages 17 are provided, or by both, the spring 30<1> then being compressed; when the cutters 7 reach and engage the slots 2 in the drill rods, the spring expands and forces the cutters 7 outwards. The cutters 7 may have cutting ends 8, Fig. 1, or they may carry bevelled cutting rollers. The drill may be either a rotary or a reciprocating tool. The length of the enlarged part of the bore-hole may be increased by suitable manipulation of the parts. Specification 101,162 is referred to. The Specification as open to inspection under Sect. 91 (3) (a) refers to the use of cutters with serrated sides, the serrations of one blade being staggered relatively to those of the other blade. This subject-matter does not appear in the Specification as accepted.
Patent GB-288450-A (GB)
Title: Improvements in or relating to cranes or the like
IPC: B63B23/18
Filed: 1927-05-16
Abstract: 288,450. Harbinger, W., and Finney, R. J. G. F. May 16, 1927. Boat raising and lowering gear; davits.-Relates to a ship's crane for handling boats, sea-planes, torpedoes &c. comprising a horizontal jib e secured to a hollow post d and slueing about a fixed post c, and a cross-beam 32 pivoted in the outer end of the jib and controlled so as to remain parallel with the keel or some other given line during slueing, and consists in arranging the rope &c., which controls the position of the cross-beam inside the at the ends of the beam 32. The position of the hollow jib. 'The boat &c. is suspended from falls at the end of the beam 32. The position of the cross-beam is controlled by an endless rope 37<1> anchored to a fixed drum g on the post c and to a drum 31 journaled in the outer end of the jib. The two boat falls 38 pass over guide-sheaves 37, 83, 34, 35 and are wound on a drum 18. The jib is slued by hand gear 23, 27, 29, 28. The drum 18 is driven by hand or power with four different speed-ratics for winding in the falls, the drive being applied to either of the shafts 14, 15, q, or 16. The shaft q carries a centrifugal governor. formally a spring applies the brake sufficiently to hold the load, and lowering is permitted by moving the hand-wheel o.
Patent GB-1037473-A (GB)
Title: Improvements in inflatable buildings
Inventor: REFFELL BRIAN RICHARD ARNOLD
IPC: E04H15/20
Filed: 1964-03-31
Abstract: 1,037,473. Pneumatic tents. WALTER KIDDE CO. Ltd. March 26, 1965 [March 31, 1964], No. 13268/64. Heading E1A. In a building 10 (Fig. 2) comprising a structure of flexible inflatable tubes 12 supporting a covering of fabric or other like weatherproof material a reinforcing flexible main cable 35 for each tube 12 attached thereto at discrete points along it by a lattice formation of subsidiary cables 36 is arranged to be in tension when the building 10 is erected. The tube 12 is in a continuous sleeve 17 (Fig. 5), from which it is removable by means of a sliding clasp fastener 19, tensioning cables 22 being carried at pockets 21 thereon. The cables 36 are connected to belts 23 on the tube 12, to which guy ropes 15 are attached by end belts 29, the main cable 35 running adjacent the tube 12 over the centre portion thereof, and being connected at its ends to the belts 29. In a modification the subsidiary cables comprise two groups connected to alternate connectors, being releasably connected at their ends to them and fixed intermediate their ends to the main cable which runs adjacent the tube along its whole length.